Model
Precision Devices PD.185C003-8
Rating
DIAM
18"
FS(Hz)
33
VAS(l)
224
QTS
0.24
PWR(W)
4000
SPL(dB)
97.3
IMP(Ohm)
8x1
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PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
33
Vas(l)
224
Qts
0.24
Qms
10.6
Qes
0.229
Bl(Tm)
31.5
Mms(gr)
197
Cms(mm/N)
0.118
Rms(kg/s)
3.85
Le(mH)
2.8
Re(Ohm)
5.4
Sd(sq.mm)
116400
Vd(l)
1.28
X-max(mm)
11
X-mech(mm)
25
General Parameters
Diameter (inch)
18
Max Power(W.)
4000
RMS Power(W.)
1000
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
3.39
Sensitivity(dB) 1-W
97.3
Sensitivity(dB) 2.8-V
99
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
473
Cutout Diameter (mm)
415
Mounting Depth (mm)
194
Magnet Diameter (mm)
280
Optimum Enclosures
Enclosures
Vented, BP6P
